WARM UP: WRITE OUT THE QUESTION OR RESTATE IN YOUR ANSWER. 1. Name the two types of Mechanical waves. 2. Sound is what type of wave? 3. Name the 3 bones of the inner ear. 4. Transverse waves move _______ to the disturbance/energy. 5. Compressional waves move___________ to the disturbance/energy.
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WARM UP: WRITE OUT THE QUESTION OR RESTATE IN YOUR ANSWER. 1. Name the two types of Mechanical waves. 2. Sound is what type of wave? 3. Name the 3 bones.
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WARM UP: WRITE OUT THE QUESTION OR RESTATE IN YOUR ANSWER.
1. Name the two types of Mechanical waves.
2. Sound is what type of wave?
3. Name the 3 bones of the inner ear.
4. Transverse waves move _______ to the disturbance/energy.
5. Compressional waves move___________ to the disturbance/energy.
LIGHT WAVES, ELECTRO MAGNETIC
SPECTRUM, VISIBLE LIGHT, AND THE EYE
ELECTROMAGNETIC WAVES
•Waves that DO NOT require a medium for the energy to travel
•Examples: Light, radio waves, x-rays, gamma rays
•All waves on the electromagnetic spectrum
ELECTROMAGNETIC WAVES
•Difference between the different waves is wavelength
•EM (Electromagnetic) spectrum illustrates the differences
LIGHT WAVES
• Transverse wave that carries energy
•Visible light only makes up a TINY fraction of the electromagnetic spectrum and makes up the colors of the rainbow humans see on a daily basis.
LIGHT...WHAT IS IT? •Light Energy•Atoms•As atoms absorb energy, electrons jump out to a higher energy level.•Electrons release light when falling down to the lower energy level.
•Photons - bundles/packets of energy released when the electrons fall.